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authorLuca Miccio <lucmiccio@gmail.com>2017-10-09 17:27:21 +0300
committerJens Axboe <axboe@kernel.dk>2017-10-09 17:29:21 +0300
commitb5dc5d4d1f4ff9032eb6c21a3c571a1317dc9289 (patch)
treec07e1fdfef55d45a0a879869e62a006b37ad60fc /block/blk-wbt.c
parent94af584692091347baea4d810b9fc6e0f5483d42 (diff)
downloadlinux-b5dc5d4d1f4ff9032eb6c21a3c571a1317dc9289.tar.xz
block,bfq: Disable writeback throttling
Similarly to CFQ, BFQ has its write-throttling heuristics, and it is better not to combine them with further write-throttling heuristics of a different nature. So this commit disables write-back throttling for a device if BFQ is used as I/O scheduler for that device. Signed-off-by: Luca Miccio <lucmiccio@gmail.com> Signed-off-by: Paolo Valente <paolo.valente@linaro.org> Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> Tested-by: Lee Tibbert <lee.tibbert@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-wbt.c')
-rw-r--r--block/blk-wbt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 6a9a0f03a67b..e59d59c11ebb 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -654,7 +654,7 @@ void wbt_set_write_cache(struct rq_wb *rwb, bool write_cache_on)
}
/*
- * Disable wbt, if enabled by default. Only called from CFQ.
+ * Disable wbt, if enabled by default.
*/
void wbt_disable_default(struct request_queue *q)
{